20814310

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{433}}^1$

素因数の和:493

約数の個数: 64

約数和(自身を含む): 44997120

約数和(自身を除く): 24182810

約数列:

[1, 2, 5, 10, 11, 19, 22, 23, 38, 46, 55, 95, 110, 115, 190, 209, 230, 253, 418, 433, 437, 506, 866, 874, 1045, 1265, 2090, 2165, 2185, 2530, 4330, 4370, 4763, 4807, 8227, 9526, 9614, 9959, 16454, 19918, 23815, 24035, 41135, 47630, 48070, 49795, 82270, 90497, 99590, 109549, 180994, 189221, 219098, 378442, 452485, 547745, 904970, 946105, 1095490, 1892210, 2081431, 4162862, 10407155, 20814310]

約数ペア:

[(1, 20814310), (2, 10407155), (5, 4162862), (10, 2081431), (11, 1892210), (19, 1095490), (22, 946105), (23, 904970), (38, 547745), (46, 452485), (55, 378442), (95, 219098), (110, 189221), (115, 180994), (190, 109549), (209, 99590), (230, 90497), (253, 82270), (418, 49795), (433, 48070), (437, 47630), (506, 41135), (866, 24035), (874, 23815), (1045, 19918), (1265, 16454), (2090, 9959), (2165, 9614), (2185, 9526), (2530, 8227), (4330, 4807), (4370, 4763)]